What makes blue-green algae dangerous?—Speaking of Chemistry

Pond scum is usually just a nuisance, but it can become dangerous. Check out the chemistry behind these harmful algal blooms. And don’t forget to subscribe! http://bit.ly/ACSReactions
↓↓ Full description and references below ↓↓

When the environmental conditions are right, blue-green algae (which are actually blue-green bacteria) can blossom into harmful algal blooms. These blooms can release all sorts of deadly poisons into the environment. In this episode, SOC’s Sophia Cai explains how human health could be at risk, with help from SOC’s structure-drawing extraordinaire, Lauren Wolf.

Check out the story behind this video: http://cen.acs.org/articles/94/i12/Sc…

Watershed Workout

By Megan Joyner

Grade 8: Understanding Earth and Space Systems Water Systems (watersheds)

Lesson Focus (Overall Expectations)

Big Idea: Water is crucial to life on earth and water systems influence climate and weather patterns. More specifically, after being introduced to the idea that water is a finite resource, the big idea of the day is, if the earth is known as the water planet, where does our water come from? Continue reading

Paper beats plastic? How to rethink environmental folklore – TEd Talk

Acaroglu TED

Most of us want to do the right thing when it comes to the environment. But things aren’t as simple as opting for the paper bag, says sustainability strategist Leyla Acaroglu. A bold call for us to let go of tightly-held green myths and think bigger in order to create systems and products that ease strain on the planet.

Continue reading